Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Iron and cadmium Nickel and cadmium Lead peroxide and lead Zinc and carbon Iron and cadmium Nickel and cadmium Lead peroxide and lead Zinc and carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals can displace copper from copper sulphate solution ? Gold Iron Mercury Platinum Gold Iron Mercury Platinum ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a chemical bond is formed ? Energy is always absorbed Energy is neither released nor absorbed More energy is released than is absorbed Energy in always released Energy is always absorbed Energy is neither released nor absorbed More energy is released than is absorbed Energy in always released ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ore which is found in abundance in India is bauxite magnetite fluorspar monazite bauxite magnetite fluorspar monazite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Yellow Cake' an item of smuggling across border is Unreformed gold A crude from of heroin Uranium oxide A crude from of cocaine Unreformed gold A crude from of heroin Uranium oxide A crude from of cocaine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The formula C6H5-CO-CH3 represents Phenyl acetate Acetophenone Acetic acid Acetone Phenyl acetate Acetophenone Acetic acid Acetone ANSWER DOWNLOAD EXAMIANS APP